package com.demo.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class EncodingFilter implements Filter {

	@Override
	public void destroy() {
		
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain)
			throws IOException, ServletException {
		req.setCharacterEncoding("utf-8");
		chain.doFilter(req, resp);
	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		System.out.println("字符编码过滤器 init...");
	}

}
